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【单选题】
下面列出的数据管理技术发展的三个阶段中，哪个(些)阶段有专门的软件对数据进行管理 Ⅰ．人工管理阶段 Ⅱ．文件系统阶段 Ⅲ．数据库阶段A.
只有Ⅰ
B.
只有Ⅱ
C.
Ⅰ和Ⅱ
D.
Ⅱ和Ⅲ
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反馈参考答案：
举一反三
【简答题】听下面5段对话，选择能回答每个问题的正确答案（听一遍）。 l. What is the man's sister good at? 2.What does the woman prefer? 3.Which season does the man like best? 4.What does the man want to do? 5.What does the woman's grandmoth...
【简答题】出票人在票据上的记载事项不得有《票据法》和《支付结算办法》规定事项以外的其他事项。（ ）
【单选题】在纯水中,加入一些酸,其溶液的 ( )
A.
[H + ] 与 [OH - ] 乘积变大
B.
[H + ] 与 [OH - ] 乘积变小
C.
[H + ] 与 [OH - ] 乘积不变
D.
[H + ] 等于 [OH - ]
E.
以上说法都不对
【单选题】Who Decides? Whether you are a tarried parent fighting with a 14-year-old about an objectionable video or a member of the Supreme Court assessing nuanced arguments about obscenity, the task of decidin...
A.
The decision whether or not to rent from a video store an objectionable film.
B.
The decision to ban the film when found something objectionable in it.
C.
The decision to tell the 14-year-old not to see the objectionable part.
D.
The decision to protect the artistic expression of the film even objectionable.
【单选题】Who Decides? Whether you are a harried parent fighting with a 14-year-old about an objectionable video or a member of the Supreme Court assessing nuanced arguments about obscenity, the task of decidin...
A.
The decision whether or not to rent from a video store an objectionable film.
B.
The decision to ban the film when found something objectionable in it.
C.
The decision to tell the 14-year-old not to see the objectionable part.
D.
The decision to protect the artistic expression of the film even objectionable.
【单选题】The authors attitude towards loosening the control over kids is______.
A.
confident
B.
objective
C.
critical
D.
supportive
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